http://ydhuxfhbr5ouv277vz3wavom5yajfcudt7nepxazqc64ncoxhjlqdbid.onion/resctvlib.htm
Basically, we're dealing with a bad actor here, and not having this "feature" would greatly improve your screen, and the world in fact. Literally. You can't do much to disable cable access - these days, it uses the same HDMI cable as your media server. Broadcast media, on the other hand, is a different story... and that's where we can give instructions on liberating a television.